Geometry is the science of correct reasoning on incorrect figures.

In order to solve this differential equation you look at it until a solution occurs to you.

It is better to solve one problem five different ways, than to solve five problems one way.

Beauty in mathematics is seeing the truth without effort.

Solving problems is a practical art, like swimming, or skiing, or playing the piano: you can learn it only by imitation and practice.

It may be more important in the mathematics class how you teach than what you teach.

If there is a problem you can't solve, then there is an easier problem you can't solve: find it.

An idea which can be used only once is a trick. If one can use it more than once it becomes a method.

Mathematics is not a spectator sport!

Look around when you have got your first mushroom or made your first discovery: they grow in clusters.

Mathematics consists in proving the most obvious thing in the least obvious way.

Instead of getting the leaders we deserve, we can an abundance of ShitRollsDownhill Shovelers, ShitCatchers, and NewShitCreators.

A great woman has three identities: a lovely daughter, a passionate lover, and a kind mother.

In addition to unfinished business, some ghosts haunt so that they will be remembered.

The racing bug is never going to go away. It's like the Mafia.

To be right is the most terrific personal state that nobody is interested in.

Instruments and playthings are sense and spirit: behind them there is still the Self. The Self seeketh with the eyes of the senses, it hearkeneth also with the ears of the spirit.

Regardless of how me or this man right here or anybody else in this business get, when we walk on an airplane in first-class looking like this, we're gonna get searched.

Everything that happened to me as a child involved music. It was part of everyday life, as automatic as breathing.

The soul is like a pair of winged horses and a charioteer joined in natural union.

if you can't keep him interested, that's your fault.